Deborah Mazza, OTR/L, CHT
NPI 1013119379 · Hand Occupational Therapist · Kirkland, WA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Mazza, OTR/L, CHT is a Hand Occupational Therapist provider in Kirkland, WA (NPI 1013119379).
Provider details
- NPI number
- 1013119379
- Entity type
- Individual
- Primary specialty
- Hand Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L, CHT
- Sex
- Female
- Sole proprietor
- No
- License
- OT00001791 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
130 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 75 | $28 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 43 | $22 |
| Evaluation for Occupational Therapy, Typically 30 Minutes97165 | 12 | $111 |
Typical Medicare-allowed amounts for these services range $22–$111 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 1810 116th Ave Ne Ste D4Bellevue, WA 98004-3058Phone: (425) 283-5230Fax: (425) 283-5236
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2021-06-02
- Certified
- 2021-06-02
Frequently asked questions
- What is Deborah Mazza's NPI number?
- Deborah Mazza's National Provider Identifier (NPI) is 1013119379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Mazza's specialty?
- Deborah Mazza is listed in the NPPES registry with a primary specialty of Hand Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Deborah Mazza located?
- Deborah Mazza's practice location on file with NPPES is 12911 120th Ave Ne Ste H220, Kirkland, WA 98034-3064.
- What is Deborah Mazza's phone number?
- The practice phone number listed in the NPPES registry for Deborah Mazza is (425) 823-4224.
- Does Deborah Mazza accept Medicare?
- Deborah Mazza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Mazza's NPI active?
- Yes — Deborah Mazza's NPI (1013119379) is active in the NPPES registry as of the last update on 2021-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.